CN204484294U - A kind of external radio-frequency melts analog - Google Patents
A kind of external radio-frequency melts analog Download PDFInfo
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- CN204484294U CN204484294U CN201520006539.8U CN201520006539U CN204484294U CN 204484294 U CN204484294 U CN 204484294U CN 201520006539 U CN201520006539 U CN 201520006539U CN 204484294 U CN204484294 U CN 204484294U
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Abstract
The utility model discloses a kind of external radio-frequency and melt analog, comprise radio frequency ablation catheter, simulation cardiac devices, saline infusions device, pressure control device, radiofrequency generator and blood peristaltic pump, wherein radio frequency ablation catheter connects saline infusions device, pressure control device and radiofrequency generator respectively; Simulation cardiac devices is connected with blood peristaltic pump.The external radio-frequency that this utility model provides melts analog, by thermostatic water bath, simulative heartbeat device and blood peristaltic pump, internal milieu simulation is carried out to heart test organization, pressure control device and charge pump assist control conduit force value and flow, make heart test organization impaired by radiofrequency generator radio frequency ablation catheter input energy, can effective analog radio frequency ablation catheter surgical state and surgical effect in vitro.
Description
Technical field
This utility model relates to the extracorporeal simulating experiment device in a kind of medical domain, particularly relates to a kind of external radio-frequency and melts analog.
Background technology
Arrhythmia refers to the exception of the frequency of cardiac impulse, the rhythm and pace of moving things, origin position, conduction velocity and exciting order, and be one of common heart disease, sickness rate and fatality rate are all higher, therefore ARR treatment are subject to always to the attention of countries in the world medical circle.ARR treatment mainly contains Drug therapy, interventional therapy as pacemaker install, electric cardioversion and catheter ablation etc., wherein radio-frequency (RF) ablation be numerous patients with arrhythmia provide one fast, Therapeutic Method safely and effectively.The process of radio-frequency ablation procedure sends in heart by electrode catheter through vein or arteries, through conduit, radio-frequency current is imported heart tissue, local tissue temperature is raised, produce local solidification downright bad, thus reach blocking-up Accessory pathway, effect a radical cure tachycardic object.
Relevant expert points out, the same with the medical skill of any one advanced person, and radio-frequency ablation technique at present neither be out of this world, and main Problems existing is: formulate and eliminate terminal difficulty, need long term follow-up to determine; Arrhythmia may recur because melting focus or new focus produces and recurrence etc., therefore needs strictly to grasp indication.For the discussion of device in radio-frequency ablation procedure for tissue effect, can lay the first stone for deeply effectively carrying out radiofrequency ablation therapy arrhythmia further, people are studied this by number of ways, but because object of study is in the past all clinical patient and laboratory animal, lack a kind of can the feature of analogue body outer ablating device when reappearing heart radio frequency ablation, thus there is systemic problem, the randomness affecting the many factors of radio-frequency (RF) ablation effect in clinical study makes clinical being difficult to carry out system and comprehensively research comprehensively.Therefore the research for radio-frequency ablation technique is carried out in the urgent need to a kind of external simulator of radio-frequency ablation procedure.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of external radio-frequency and melts analog, can simulate the ablation effect under different pressures and irrigation flow state, and is easy to regulate different pressures and irrigation flow, greatly improves the accuracy of medical experiment.
This utility model is solve the problems of the technologies described above the technical scheme adopted to be to provide a kind of external radio-frequency and to melt analog, comprise radio frequency ablation catheter, simulation cardiac devices, saline infusions device, pressure control device, radiofrequency generator and blood peristaltic pump, described radio frequency ablation catheter connects described saline infusions device, described pressure control device and described radiofrequency generator respectively; Described simulation cardiac devices is connected with described blood peristaltic pump.
Further, described radio frequency ablation catheter is provided with saline connector, and described saline infusions device comprises charge pump and normal saline storage tank, and described saline connector, described charge pump are connected successively with described normal saline storage tank.
Further, described charge pump is connected on the described saline connector of described radio frequency ablation catheter by perfusion leather strap.
Further, described charge pump is provided with flow regulator, the flow adjustment range of described flow charge pump is 0 ~ 60ml/min.
Further, described external radio-frequency melts analog and also comprises clamping mould, and described clamping mould clamps described radio frequency ablation catheter, and described pressure control device is fixedly connected with described clamping mould.
Further, described pressure control device is provided with and moves up and down button and force value locking press button.
Further, described simulation cardiac devices comprises blood temperature chamber, simulation heartbeat device, back pole plate and heart test organization, described simulation heartbeat device is provided with successively described back pole plate and described heart test organization, described simulation heartbeat device, described back pole plate and described heart test organization are together located in described blood temperature chamber, and described blood temperature chamber is connected with described blood peristaltic pump by two silica gel tubes.
Further, described radiofrequency generator connects buttock line by first and is connected with described radio frequency ablation catheter, and described radiofrequency generator connects buttock line by second and is connected with described back pole plate.
Further, the power regulating range of described radiofrequency generator is respectively 0-100W, and Timing scope is 0-999s.
Further, described radio frequency ablation catheter and described heart test organization contact.
This utility model contrast prior art has following beneficial effect: the external radio-frequency that this utility model provides melts analog, be provided with radio frequency ablation catheter and simulation cardiac devices, by external instrument controlling radio frequency ablation catheter simulation heart model in heart test organization on carry out radio-frequency (RF) ablation, by the adjustment to perfusion of saline device, pressure control device, different downforce and irrigation flow state can be simulated, will the research of medical experiment different conditions ablation effect be widely used in.Particularly by thermostatic water bath, simulative heartbeat device and blood peristaltic pump, internal milieu simulation is carried out to heart test organization, pressure control device and charge pump assist control conduit force value and flow, make heart test organization impaired by radiofrequency generator radio frequency ablation catheter input energy, can effective analog radio frequency ablation catheter surgical state and surgical effect in vitro; Compensate for the blank that prior art there is no the outer RF ablation device of analogue body and method, improve the accuracy of medical experiment.
Accompanying drawing explanation
Fig. 1 is the structural representation that in this utility model embodiment, external radio-frequency melts analog;
Fig. 2 is the connection diagram simulating cardiac devices and radio frequency ablation catheter in this utility model embodiment.
In figure:
1 charge pump 2 normal saline storage tank 3 radio frequency ablation catheter
4 simulation cardiac devices 5 blood peristaltic pump 6 pressure control devices
7 radiofrequency generators 81 first connect buttock line 82 second and connect buttock line
9 perfusion leather strap 10 silica gel tube 40 blood temperature chambers
41 heart test organization 42 back pole plates 43 simulate heartbeat device
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model will be further described.
Fig. 1 is the structural representation that in this utility model embodiment, external radio-frequency melts analog.
Refer to Fig. 1, the external radio-frequency that this utility model embodiment provides melts analog and comprises radio frequency ablation catheter 3 and simulation cardiac devices 4, radio frequency ablation catheter 3 is connected to saline infusions device, pressure control device 6 and radiofrequency generator 7, and simulation cardiac devices 4 is connected to carry out blood simulation loop by silica gel tube 10 with blood peristaltic pump 5.Wherein, described saline infusions device can comprise charge pump 1 and normal saline storage tank 2, preferably, charge pump 1 has flow regulating function, radio frequency ablation catheter 3 is provided with saline connector (not shown), and described saline connector is connected successively with charge pump 1, normal saline storage tank 2 and carries out perfusion of saline.
Pressure control device 6 has and moves up and down button and force value locking press button (not shown), can control moving and pressing down force value of radio frequency ablation catheter 3; Radiofrequency generator 7 has radio-frequency (RF) energy regulatory function, time regulation function, temperature and impedance display, and radio frequency ablation catheter 3 carries out radio-frequency (RF) energy input, makes the heart test organization of radio frequency ablation catheter 3 in simulation cardiac devices 4 melts.
Fig. 2 is the connection diagram simulating cardiac devices and radio frequency ablation catheter in this utility model embodiment.
Please simultaneously see Fig. 1 and Fig. 2, preferably, radiofrequency generator 7 connects tail 81 by first and is connected on radio frequency ablation catheter 3, can carry out radio-frequency (RF) energy input to it; Charge pump 1 is connected to saline connector and the normal saline storage tank 2 of radio frequency ablation catheter 3 by perfusion leather strap 9, can carry out saline infusions by radio frequency ablation catheter 3; Pressure control device 6 is connected and fixed the clamping mould of radio frequency ablation catheter 3, thus the pressure size that radio frequency ablation catheter 3 acts on heart experiment tissue 41 carries out controlling and keeps constant.
Please continue see Fig. 2, simulation cardiac devices 4 comprises blood temperature chamber 40, back pole plate 42, heart test organization 41 and simulation heartbeat device 43.Blood temperature chamber 40 has temp regulating function, simulation heartbeat device 43 has frequency regulation function, simulation heartbeat device 43 sets gradually back pole plate 42 and heart test organization 41, simulation heartbeat device 43, back pole plate 42 and heart test organization 41 are together located in blood temperature chamber 40, blood has been filled with human body environment that is virtually reality like reality in blood temperature chamber 40, certainly, in other embodiments, also normal saline can be used to replace blood, and this utility model does not limit this.
Simulation cardiac devices 4 is connected with radio frequency ablation catheter 3, blood peristaltic pump 5 and radiofrequency generator 7, particularly, blood peristaltic pump 5 by two silica gel tubes 10 and blood temperature chamber 40 together with, form a flowloop, can it be carried out simulate blood wriggling, be washed away, and adjustable blood peristalsis frequency regulates; Radio frequency ablation catheter 3 acts on heart experiment tissue 41 by the mode that contact is placed, and can carry out radio frequency input, stove is melted in radio-frequency (RF) ablation formation to it; Radiofrequency generator 7 connects buttock line 82 by second and is connected on back pole plate 42, makes radio frequency ablation catheter input radio frequency energy be connected buttock line 82 be back to radiofrequency generator 7 end by heart experiment tissue 41, back pole plate 42, second, forms loop, can melt outside perfect aspect.
Use above-mentioned external radio-frequency to melt analog when carrying out simulation experiment, specifically comprise the steps:
1) check system: before testing, first checks that whole system whether can trouble-free operation, if any exception, adjusts in time;
2) prepare heart test organization: the heart test organization 41 of setup test, be generally the cardiac muscular tissue of mammal and other can adopt the tissue of radio-frequency ablation procedure, heart test organization 41 is cut into length L
1be 6 ~ 8cm, width L
2be 3 ~ 4cm, thickness D
1be 2 ~ 3cm; Upper surface is smooth;
3) install sample: heart test organization 41 be placed on back pole plate 42, and both be fixed by screws on simulation heartbeat device 43, adjustment position, keeps heart test organization 41 level;
4) heating liquid: open the blood temperature chamber 40 in simulation cardiac devices 4, temperature is arranged on 37 ± 0.5 DEG C;
5) optimum configurations: after temperature reaches design temperature, opens blood peristaltic pump 5, radiofrequency generator 7, charge pump 1, pressure control device 6; Regulate the force value scope of pressure control device 6, regulate force value scope to be 0-200g; Regulate the frequency of blood peristaltic pump 5, regulating frequency scope is 1 ~ 10Hz; Regulate the flow of charge pump 1, adjust flux scope is 0 ~ 60ml/min; Regulate power and the time of radiofrequency generator 7, range of accommodation is respectively 0-60W and 0-120s;
6) use: after pressure control device 6 and blood peristaltic pump 5 are stablized, press the start button of radiofrequency generator 7 and the start button of charge pump 1, until radio frequency setting-up time stops.
Therefore, this utility model carries out internal milieu simulation by thermostatic water bath, simulative heartbeat device and blood peristaltic pump to heart test organization, pressure control device and charge pump assist control conduit force value and flow, make heart test organization impaired by radiofrequency generator radio frequency ablation catheter input energy, can effective analog radio frequency ablation catheter surgical state and surgical effect in vitro; Compensate for the blank that prior art there is no the outer RF ablation device of analogue body and method, improve the accuracy of medical experiment.
Although this utility model discloses as above with preferred embodiment; so itself and be not used to limit this utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection domain of the present utility model is when being as the criterion of defining with claims.
Claims (10)
1. an external radio-frequency melts analog, it is characterized in that, comprise radio frequency ablation catheter, simulation cardiac devices, saline infusions device, pressure control device, radiofrequency generator and blood peristaltic pump, wherein said radio frequency ablation catheter connects described saline infusions device, described pressure control device and described radiofrequency generator respectively; Described simulation cardiac devices is connected with described blood peristaltic pump.
2. external radio-frequency as claimed in claim 1 melts analog, it is characterized in that, described radio frequency ablation catheter is provided with saline connector, described saline infusions device comprises charge pump and normal saline storage tank, and described saline connector, described charge pump are connected successively with described normal saline storage tank.
3. external radio-frequency as claimed in claim 2 melts analog, it is characterized in that, described charge pump is connected on the described saline connector of described radio frequency ablation catheter by perfusion leather strap.
4. external radio-frequency as claimed in claim 3 melts analog, and it is characterized in that, described charge pump is provided with flow regulator, the flow adjustment range of described flow charge pump is 0 ~ 60ml/min.
5. external radio-frequency as claimed in claim 1 melts analog, and it is characterized in that, also comprise clamping mould, described clamping mould clamps described radio frequency ablation catheter, and described pressure control device is fixedly connected with described clamping mould.
6. external radio-frequency as claimed in claim 5 melts analog, and it is characterized in that, described pressure control device is provided with and moves up and down button and force value locking press button.
7. external radio-frequency as claimed in claim 1 melts analog, it is characterized in that, described simulation cardiac devices comprises blood temperature chamber, simulation heartbeat device, back pole plate and heart test organization, described simulation heartbeat device is provided with successively described back pole plate and described heart test organization, described simulation heartbeat device, described back pole plate and described heart test organization are together located in described blood temperature chamber, and described blood temperature chamber is connected with described blood peristaltic pump by two silica gel tubes.
8. external radio-frequency as claimed in claim 7 melts analog, it is characterized in that, described radiofrequency generator connects buttock line by first and is connected with described radio frequency ablation catheter, and described radiofrequency generator connects buttock line by second and is connected with described back pole plate.
9. external radio-frequency as claimed in claim 8 melts analog, and it is characterized in that, the power regulating range of described radiofrequency generator is respectively 0-100W, and Timing scope is 0-999s.
10. external radio-frequency as claimed in claim 8 melts analog, and it is characterized in that, described radio frequency ablation catheter and described heart test organization contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006539.8U CN204484294U (en) | 2015-01-06 | 2015-01-06 | A kind of external radio-frequency melts analog |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520006539.8U CN204484294U (en) | 2015-01-06 | 2015-01-06 | A kind of external radio-frequency melts analog |
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| CN204484294U true CN204484294U (en) | 2015-07-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584697A (en) * | 2018-12-21 | 2019-04-05 | 郑州大学第附属医院 | A kind of RF ablation simulation training device |
| CN109725556A (en) * | 2017-10-31 | 2019-05-07 | 四川锦江电子科技有限公司 | A kind of bipolar ablation system having double perfusions and ECG output |
-
2015
- 2015-01-06 CN CN201520006539.8U patent/CN204484294U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725556A (en) * | 2017-10-31 | 2019-05-07 | 四川锦江电子科技有限公司 | A kind of bipolar ablation system having double perfusions and ECG output |
| CN109725556B (en) * | 2017-10-31 | 2020-06-02 | 四川锦江电子科技有限公司 | Single-double-pole ablation system with double perfusion and ECG (electrocardiogram) output |
| CN109584697A (en) * | 2018-12-21 | 2019-04-05 | 郑州大学第附属医院 | A kind of RF ablation simulation training device |
| CN109584697B (en) * | 2018-12-21 | 2020-09-08 | 郑州大学第一附属医院 | Radio frequency ablation simulation training device |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-eighth 1-28 Patentee after: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. Address before: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane No. twenty-eighth 1-28 Patentee before: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |